你是說這一個嗎? :
#include <iostream>
using namespace std;
int main()
{
int y;
for(y=0; y<1; y++)
{
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"****"<<endl;
cout<<"***"<<endl;
cout<<"**"<<endl;
cout<<"*"<<endl;
}
return 0;
}